液体火箭发动机高频燃烧不稳定问题综述  

High frequency combustion instability in liquid rocket engines:Review

作　　者：汪广旭 李斌 谭永华 高玉闪 WANG Guangxu;LI Bin;TAN Yonghua;GAO Yushan(National Key Laboratory of Science and Technology on Liquid Rocket Engines,Xi'an Aerospace Propulsion Institute,Xi'an 710100,China;Academy of Aerospace Propulsion Technology,China Aerospace Science and Technology Corporation,Xi'an 710100,China)

机构地区：[1]西安航天动力研究所航天液体动力全国重点实验室,西安710100 [2]中国航天科技集团航天推进技术研究院,西安710100

出　　处：《航空学报》2024年第11期106-132,共27页Acta Aeronautica et Astronautica Sinica

基　　金：液体火箭发动机技术重点实验室基金(614270419)。

摘　　要：高频燃烧不稳定现象诱发的大幅值压力振荡严重威胁液体火箭发动机可靠性,为此,国内外开展了大量深入的研究工作。为了提高对此类问题及相关研究的整体认识,系统阐述了液体火箭发动机高频燃烧不稳定问题的主要特点、关键物理机制、研究思路等,重点梳理了国内外在液体推进剂燃烧子过程响应机理方面的研究工作,明确指出了燃烧速率控制过程对于此类问题分析的重要意义。在此基础上,详细总结了液滴蒸发和射流掺混作为速率控制过程的高频燃烧不稳定问题数值仿真研究进展,仔细归纳了线性和非线性理论解析分析方法面临的挑战,简要介绍了基于非线性动力系统的分析方法在揭示高频燃烧不稳定非线性行为以及稳定性裕度评估方面的重要潜力。最后,针对不同工程控制措施的内在联系、应用情况等进行了分析,特别强调了燃烧释热分布控制的重要性。High-frequency combustion instability remains a key challenge in the development of high-performance liquid rocket engines.The physical processes involved have significant characteristics such as cross scale,nonlinearity,and multi-field coupling.Improving the overall understanding of such problems is helpful for systematic research work.This article briefly describes the main characteristics,key physical mechanisms,and research ideas of high-frequency combustion instability in liquid rocket engines,focusing on the research progress in sub-process response mechanisms both domestically and internationally in recent decades.It points out the important significance of studying response mechanisms for different engine combustion rate control processes,summarizes the progress made by different analysis methods,challenges faced,and subsequent development directions,providing reference for engineering management of such issues.

关 键 词：液体火箭发动机 高频燃烧不稳定 燃烧响应 速率控制过程 燃烧释热分布控制 

分 类 号：V434.4[航空宇航科学与技术—航空宇航推进理论与工程]